Dielectric anomalies in boracites
- 1 January 1981
- journal article
- Published by Taylor & Francis in Ferroelectrics
- Vol. 34 (1) , 219-225
- https://doi.org/10.1080/00150198108238728
Abstract
Experimental results are reported on the dielectric behavior of Fe3B7O13I, Ni3B7O13Br, Cu3B7O13Cl, and Mn3B7O13I near their cubic-orthorhombic phase transition. Fe3B7O13I and Ni3B7O13Br show the typical dielectric behavior of boracites, whereas Cu3B7O13Cl and Mn3B7O13I exhibit a different dielectric anomaly. Both types of behavior can be discussed on the basis of a Landau expansion of the thermodynamic potentialKeywords
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